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Manual
00809-0500-4881
Install remote electronics housing
Procedure
1. Mount remote electronics housing on wall or pipe within distance of signal and
2. Remove the electronics housing cover.
3. If removed, install the power and signal cables and the customer power and signal
4. Connect the signal cable leads to the O
5. Connect the heater cable leads to the heater power connector (J3).
6. Connect the ground lead to the ground stud. Secure the connection with two nuts.
7. If used, connect external relay leads to the alarm output relay terminal.
8. Connect the test gas and instrument air lines to the remote electronics housing.
9. Refer to
10. Install the cover on the electronics housing.
11. Turn on the test gases at the cylinders and open the instrument air valve.
12. Restore power to the system.
10.2.3
Assemble sensor housing
Assemble COe sensor assembly
CAUTION
Equipment damage
Turning the pre-heater in the sensor holder with the stainless steel balls in place will cause
permanent damage to the pre-heater.
Always remove the stainless steel balls (approximately 200) from the sensor holder before
removing or installing the pre-heater.
Procedure
1. If the you removed the pre-heater (B,
2. Clamp flats of sensor holder (E) in vise jaws with the pre-heater port pointing up.
3. Install and tighten the pre-heater (B). Align the pre-heater to the flat of the sensor
Rosemount OCX8800C
heater cables in use.
conduits and wiring at the electronics housing.
the COe and CJC connector (J5),
Attach a separate ground lead (G wire) from the ground stud to the G terminal on
the power input terminal block.
Connect the calibration gas line and instrument air line to the remote electronics
housing.
Figure 10-3
and
connections are complete.
(Loctite #567) to the external pipe threads of the pre-heater (B) and plug (D).
Do not apply sealant to the first turn of the pipe threads.
holder (E) as shown in
Figure
cell and thermocouple connector (J4) and to
2
Figure
10-6.
Figure
10-6. Make sure all test gas lines and electrical
Figure
10-24), apply pipe thread sealant
10-8.
Maintenance and service
April 2023
213
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